Grey Office Chair, Ergonomic High Back Computer Chair, Height-Adjustable Desk Product Details Our products are designed and manufactured in line with the standards of the industry. The entire range of products offered by us is very popular in the markets for their afford ability and high durability nature. Swing Mode, this chair has adjustable tilt tension, allowing you to adjust the resistance to suit your movements and weight. The adjustable and lockable rock function increases the stability and control of different sitting positions. To adjust the tilt tension, turn the knob under the seat to increase or decrease the resistance. Adjustable seat height, the seat height can be adjusted from 19 inches to 21.5 inches to match tables of different heights. When idle, the chair can also be adjusted to the lowest height and placed under the table to save space. Premium leather, thickened headrest position, and lumbar support provide ample support for your back. The ergonomic back design allows your back to be fully wrapped and supported, and no longer bear extra cervical pressure. The thick elastic seat cushion will keep you from getting tired even if you sit for more than 8 hours a day. The metal-plated five-star base ensures safety and stability, is more reliable and sturdy, and the maximum load-bearing capacity can reach 250 pounds. 360-degree swivel, smooth-rolling casters for excellent stability and mobility. Easy to assemble. It takes about 15-20 minutes for an adult to complete the installation independently. The package includes 1 Chair; 1* Assembly Tool; 1* Instructions. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.